[modeleng] Re: FW: Rail Accident Investigation alert: RAIB investigation - Kirklees
- From: peter.chadwick@xxxxxxxxxxx
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 29 Jul 2011 17:47:00 +0100
Interesting. The theory about the boiler failing 'due to the sudden
ebullition of steam when the firebox was flooded' was extensively
investigated in the 19th century by the Manchester Steam Users
Association, and they decided that there wasn't enough over pressure to
cause a failure (by practical experiment!) See Hewison's Locomotive
Boiler Explosions.
Certainly the fusing of lead plugs hasn't stopped accidents on big
engines, and the reports on wartime USA engines suggest some bad design of
the plugs.
But of course, those were the days where Stroudley, speaking about a
boiler explosion, said ' I think that if it had not collapsed, the plate
was thick enough to stand a pressure of 200lbs to the square inch'
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